<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>服务器繁忙 - 请稍后再试</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', 'Microsoft YaHei', sans-serif;
        }

        body {
            background-color: #f8f9fa;
            color: #343a40;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
            text-align: center;
        }

        .error-container {
            max-width: 600px;
            width: 100%;
            padding: 40px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            animation: fadeIn 0.5s ease-out;
        }

        h1 {
            font-size: 3rem;
            color: #dc3545;
            margin-bottom: 20px;
        }

        .error-icon {
            font-size: 5rem;
            color: #dc3545;
            margin-bottom: 20px;
            animation: pulse 1.5s infinite;
        }

        p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }

        .btn {
            display: inline-block;
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            transition: all 0.3s ease;
            font-weight: bold;
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            background-color: #0056b3;
            transform: translateY(-2px);
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }

        footer {
            margin-top: 30px;
            color: #6c757d;
            font-size: 0.9rem;
        }
    </style>
</head>
<body>
<div class="error-container">
    <div class="error-icon">⚠️</div>
    <h1>500 服务器错误</h1>
    <p>服务器当前繁忙，暂时无法处理您的请求。<br>请稍后再试或联系网站管理员。</p>
    <a href="/" class="btn">返回首页</a>
    <a href="javascript:location.reload();" class="btn" style="margin-left: 10px;">重新加载</a>
</div>

<footer>
    <p>如果您持续看到此错误，请联系我们的支持团队</p>
</footer>
</body>
</html>